Key Biscayne Real Estate
24 Grand Bay Estates Circle
$4,950,000
631 N Mashta Drive
$18,500,000
24 Grand Bay Estates Circle
$4950000
Key Biscayne Listings Summary
Key Biscayne - Town vs. County Stats
Avg Price in Key Biscayne: $6,236,900 / County Avg $912,600
Avg Taxes in Key Biscayne: $45,100 / County Avg $15,600
Avg Sq. Ft. in Key Biscayne: 2,873 / County Avg 1,666
Avg Price per/sqft in Key Biscayne:$2171 / County Avg $548
Avg Year Built in Key Biscayne: 1985 / County Avg 1983
Avg Days on Website in Key Biscayne: 1989 / County Avg 1052
Key Biscayne Real Estate Market Health
| Neighborhoods in Key Biscayne FL |
|---|
| GALEN DRIVE WEST CONDOMIN |
| GRAND KEY ESTATES |
| Key Colony |
| KEY COLONY NO 4 CONDO |
| MASHTA ISLAND |
| Ocean Club Key Biscayne |
| OCEANA |
| OCEANA KEY BISCAYNE CONDO |
| TROPICAL ISLE HOMES |
Copyright © MFRMLS.com All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated Last updated on September 17, 2026 1:13 PM UTC The listing information on this page last changed on Last updated on September 17, 2026 1:13 PM UTCd. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of MFR MLS.
All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Updated on September 17, 2026 1:13 PM UTC
All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data relating